Sol–gel preparation of ZrC–ZrO2 composite microspheres using fructose as a carbon source

  • Xi Sun
  • Jingtao Ma
  • Xiaotong Chen
  • Ziqiang Li
  • Changsheng Deng
  • Bing Liu
Original Paper: Nano-structured materials (particles, fibers, colloids, composites, etc.)
  • 26 Downloads

Abstract

ZrC–ZrO2 composite ceramic microspheres were prepared by internal gelation combined with carbothermic reduction using fructose as a chelating agent and carbon source. Fructose in the precursor solution formed complex with zirconium ions, which was conducive to the refining of the microstructure of the sintered composite. ZrC–ZrO2 composite with ZrC content as high as 60 wt% could be prepared.

In this paper, fructose was used as a chelating agent and an organic carbon source to prepare ZrCO microspheres by internal gelation and carbothermic reduction. The fructose in the precursor solution could form complex with zirconium ions, which was conducive to the refining of the microstructure of the sintered composite. ZrC–ZrO2 composite with crystal size of ZrO2 and ZrC in nanometer range and ZrC content as high as 60 wt% could be successfully prepared.

Keywords

Complex ZrC–ZrO2 composite microspheres Carbothermic reduction 

Notes

Acknowledgements

The authors acknowledge the financial support from Key Program for International S&T Cooperation Projects of China (no. 2016YFE0100700) and National Natural Science Foundation of China (no. 51420105006). “The Thirteenth Five-Year Plan” Discipline Construction Foundation of Tsinghua University (no. 2017HYYXKJS1) is also gratefully acknowledged.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Xi Sun
    • 1
  • Jingtao Ma
    • 1
  • Xiaotong Chen
    • 1
  • Ziqiang Li
    • 1
  • Changsheng Deng
    • 1
  • Bing Liu
    • 1
  1. 1.State Key Laboratory of New Ceramics and Fine Processing, Collaborative Innovation Center of Advanced Nuclear Energy Technology, Institute of Nuclear and New Energy TechnologyTsinghua UniversityBeijingChina

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